Sec in LaTeX

The LaTeX command for sec is \sec — secant.

\sec

Operators · no package needed

How to type Sec

Write \sec inside math mode — that is, between $…$ for inline math or in a \[ … \] / equation block for display math. It is part of core LaTeX math, so no extra package is required.

Example

$\sec_{i=1}^{n} x_i$

\sec_{i=1}^{n} x_i

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FAQ

How do you write sec (sec) in LaTeX?

Use \sec in math mode — it needs no extra package. For example, $\sec_{i=1}^{n} x_i$.

Which package provides \sec?

None — \sec is built into LaTeX's math mode, so no extra package is required.

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